Thomas Christy and Co (Fenchurch St)
of Fenchurch Street, London.
1871 Patent to Henry Herapath Siebe and William Gorman, both of Denmark-street, Soho, Submarine Engineers, and Thomas Christy junior, of Fenchurch-street, Contractor, for the invention of "improvements in the construction of vessels for raising sunken ships or other bodies."
1876 Introduced Muntz's tannin testing apparatus. 
1884 Exhibited at the Agricultural Show at Shrewsbury: Cutter and elevator for forage, manufactured by A. Albaret, of Liancourt, Rantigny, Oise, France; Albaret's patent combined forage-cutter and elevator, for cutting and storing in silos, maize, and all forage crops.
Sources of Information
- The London Gazette, 29 December 1871
- Daily News, 31 July 1873
- The Engineer 1876/03/10
- The Engineer 11 July 1884